Cuvette



FIG. 1 is a perspective view of a cuvette, showing our new design;

FIG. 2 is a side elevational view thereof, opposite that shown in FIG.1;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is an end elevational view thereof, taken from the left end ofFIG. 1.

The ornamental design for a cuvette, as shown.